$color:red;
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: $color;
  margin-top: 60px;
}
ul{
    display: flex;
    li{
        list-style-type: none;
        margin: 5px 10px;
        padding: 5px 10px;
        background-color: #eee;
        border-radius: 5px;
    }
}